David Bradley, one of the 'dirty dozen' engineers who created the original IBM PC at Boca Raton, Florida, is to retire this week after 29 years with the company.

Bradley's accomplishments are numerous - he wrote the BIOS code for the original PC and rose to become architecture manager at the PC group. But David's claim to fame is that he devised the most famous - and probably most used - three key combination in computer history: Ctrl-Alt-Del.

"I may have invented control-alt-delete, but Bill Gates made it really famous," he told a gathering at the twentieth anniversary of the PC.

This comment brought boundless laughter from the PC loving crowd. Bill Gates did not even crack a smile.

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Ctrl-Alt-Del: exit

David Bradley, one of the 'dirty dozen' engineers who created the original IBM PC at Boca Raton, Florida, is to retire this week after 29 years with the company.

Bradley's accomplishments are numerous - he wrote the BIOS code for the original PC and rose to become architecture manager at the PC group. But David's claim to fame is that he devised the most famous - and probably most used - three key combination in computer history: Ctrl-Alt-Del.

"I may have invented control-alt-delete, but Bill Gates made it really famous," he told a gathering at the twentieth anniversary of the PC.

This comment brought boundless laughter from the PC loving crowd. Bill Gates did not even crack a smile.